$A$ body executes simple harmonic motion. The potential energy $(P.E.)$,the kinetic energy $(K.E.)$ and total energy $(T.E.)$ are measured as a function of displacement $x$. Which of the following statements is true?
- A$P.E.$ is maximum when $x = 0$
- B$K.E.$ is maximum when $x = 0$
- C$T.E.$ is zero when $x = 0$
- D$K.E.$ is maximum when $x$ is maximum
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